| Name | Theobald, William Louis |
| Date of birth | 1936 |
| Remarks | [author note: PTBG: Comparative anatomy of Apiaceae, Acanthaceae and Gesneriaceae of Sri Lanka] [collector note: Hawaiian Is. (& other Pacific Is.?): BISH, PTBG] |
| ASA Botanist ID | 132605 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7e8591fa-2567-408a-b3e9-eb57a970d98a |
| Variant name | William Louis Theobald |
| Author name | W. L. Theobald |
| B & P Author Abbrev. | W. L. Theob. |
| Standard/Label Name | W. L. Theobald |
| Full Name | Theobald, William Louis |
| Geography Author | United States of America |
| Geography Collector | United States of America |
| Specialty Author | Spermatophytes |
| Citation as Author | Authors of Plant Names. Royal Botanic Gardens, Kew |
| Citation as Author | Index Herbariorum. Part 1: The Herbaria of the World. Eighth Edition. Bronx, NY |
| Citation as Collector | Index Herbariorum - Collectors T-Z |
| Citation as Collector | Index Herb., ed. 8Index Herbariorum - Collectors T-Z |
| Member of teams/groups | |
| Collector Teams: | Mathias & W. L. Theobald |
| Author Teams: | Mathias & W. L. Theobald |